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  2. Buffer solution - Wikipedia

    en.wikipedia.org/wiki/Buffer_solution

    Buffer capacity rises to a local maximum at pH = pK a. The height of this peak depends on the value of pK a. Buffer capacity is negligible when the concentration [HA] of buffering agent is very small and increases with increasing concentration of the buffering agent. [3] Some authors show only this region in graphs of buffer capacity. [2]

  3. Bicarbonate buffer system - Wikipedia

    en.wikipedia.org/wiki/Bicarbonate_buffer_system

    The tears are unique among body fluids in that they are exposed to the environment. Much like other body fluids, tear fluid is kept in a tight pH range using the bicarbonate buffer system. [15] The pH of tears shift throughout a waking day, rising "about 0.013 pH units/hour" until a prolonged closed-eye period causes the pH to fall again. [15]

  4. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    The main elements that comprise the human body (including water) can be summarized as CHNOPS. Element Symbol percent mass percent atoms Oxygen O 65.0 24.0 Carbon C 18.5 12.0 Hydrogen H 9.5 62.0 Nitrogen N 2.6 1.1 Calcium Ca 1.3 0.22 Phosphorus P 0.6 0.22 Sulfur S 0.3 0.038 Potassium K 0.2 0.03 Sodium Na 0.2 0.037 Chlorine Cl 0.2 0.024 Magnesium Mg

  5. Acid–base homeostasis - Wikipedia

    en.wikipedia.org/wiki/Acid–base_homeostasis

    Buffers typically consist of a pair of compounds in solution, one of which is a weak acid and the other a weak base. [13] The most abundant buffer in the ECF consists of a solution of carbonic acid (H 2 CO 3), and the bicarbonate (HCO − 3) salt of, usually, sodium (Na +). [5] Thus, when there is an excess of OH −

  6. β-Alanine - Wikipedia

    en.wikipedia.org/wiki/Β-Alanine

    Occurring at 17–25 mmol/kg (dry muscle), [9] carnosine (β-alanyl-L-histidine) is an important intramuscular buffer, constituting 10-20% of the total buffering capacity in type I and II muscle fibres. In carnosine, the pK a of the imidazolium group is 6.83, which is ideal for buffering. [10]

  7. When Should I Go To the Doctor With Cold Symptoms?

    www.aol.com/doctor-cold-symptoms-190021287.html

    Another reason to seek medical help is if you experience severe pain in a specific area—like your back, ears, or eyes, for example—which could signal a more serious condition.

  8. Yankees decline 2025 option on Anthony Rizzo, Gerrit Cole ...

    www.aol.com/sports/yankees-decline-2025-option...

    Fresh off a World Series loss, the New York Yankees are starting to make changes.The team announced Saturday that it has declined the 2025 option of first baseman Anthony Rizzo.. The 35-year-old ...

  9. France government collapses again after prime minister forced out

    www.aol.com/news/france-government-collapses...

    France's government collapsed Wednesday after Prime Minister Michel Barnier was forced out in a no-confidence vote in Parliament, reigniting a summertime political crisis for the country as it ...